48816690 has 128 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 10948608.

The previous prime is 48816683. The next prime is 48816697. The reversal of 48816690 is 9661884.

It is an interprime number because it is at equal distance from previous prime (48816683) and next prime (48816697).

It is a super-2 number, since 2×48816690² = 4766138445112200, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (48816697) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 245211 + ... + 245409.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^48816690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48816690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68947200).

48816690 is an abundant number, since it is smaller than the sum of its proper divisors (89077710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48816690 is a wasteful number, since it uses less digits than its factorization.

48816690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 48816690 is about 6986.8941597823. The cubic root of 48816690 is about 365.4736828738.

The spelling of 48816690 in words is "forty-eight million, eight hundred sixteen thousand, six hundred ninety".